设集合A={x|x2-（a+a2）x+a3＜0}，集合B={x|x2-3x+2＜0}，若A∪B=B，则实数a的取值范围是（ ）。
People tried to know the latest news about this event. ______, they were very concerned about it.
A．In a word
B．In other words
C．In one word
D．In words
土地取得费按该地块被征用前3年平均产值的6～10倍计算。( )
